/* ==================== ВЫПАДАЮЩЕЕ МЕНЮ ==================== */

.nav {
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: 10px 15px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    cursor: pointer;
    white-space: nowrap;
}

.nav-link:hover {
    color: #007bff;
}

/* Стрелка для пунктов с подменю */
.nav-link.has-dropdown::after {
    content: '▼';
    margin-left: 5px;
    font-size: 10px;
    transition: transform 0.3s;
}

.nav-item:hover .nav-link.has-dropdown::after {
    transform: rotate(180deg);
}

/* Выпадающее меню - первый уровень */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 220px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    border-radius: 8px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Ссылки в dropdown */
.dropdown-link {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.2s;
    font-size: 14px;
    position: relative;
}

.dropdown-link:hover {
    background: #f8f9fa;
    color: #007bff;
    padding-left: 25px;
}

/* Стрелка для брендов с коллекциями */
.dropdown-link.has-submenu::after {
    content: '›';
    position: absolute;
    right: 15px;
    font-size: 18px;
    transition: transform 0.2s;
}

.dropdown-item:hover .dropdown-link.has-submenu::after {
    transform: translateX(3px);
}

/* Подменю второго уровня (коллекции) */
.dropdown-item {
    position: relative;
}

.submenu {
    position: absolute;
    top: 0;
    left: 100%;
    background: white;
    min-width: 200px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    border-radius: 8px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    margin-left: 5px;
}

.dropdown-item:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Ссылки в submenu */
.submenu-link {
    display: block;
    padding: 10px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.2s;
    font-size: 13px;
}

.submenu-link:hover {
    background: #f8f9fa;
    color: #007bff;
    padding-left: 25px;
}

/* Разделитель между пунктами */
.dropdown-divider {
    height: 1px;
    background: #eee;
    margin: 5px 0;
}

/* ==================== МОБИЛЬНАЯ ВЕРСИЯ ==================== */

.mobile-nav {
    display: none;
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-nav {
        display: block;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: white;
        transform: translateX(-100%);
        transition: transform 0.3s;
        overflow-y: auto;
        z-index: 999;
        padding: 20px 0;
    }
    
    .mobile-nav.active {
        transform: translateX(0);
    }
    
    /* Мобильные пункты */
    .mobile-nav .nav-item {
        border-bottom: 1px solid #f0f0f0;
    }
    
    .mobile-nav .nav-link {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
    }
    
    /* Мобильное dropdown - первый уровень */
    .mobile-nav .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-radius: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s;
        padding: 0;
        background: #f8f9fa;
    }
    
    .mobile-nav .nav-item.active > .dropdown {
        max-height: 500px;
        padding: 5px 0;
    }
    
    /* Мобильное submenu - второй уровень */
    .mobile-nav .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-radius: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s;
        padding: 0;
        margin-left: 0;
        background: #e9ecef;
    }
    
    .mobile-nav .dropdown-item.active > .submenu {
        max-height: 300px;
        padding: 5px 0;
    }
    
    /* Мобильные ссылки */
    .mobile-nav .dropdown-link {
        padding: 12px 30px;
    }
    
    .mobile-nav .dropdown-link:hover {
        padding-left: 30px;
    }
    
    .mobile-nav .submenu-link {
        padding: 10px 40px;
    }
    
    .mobile-nav .submenu-link:hover {
        padding-left: 40px;
    }
    
    /* Стрелки в мобильной версии */
    .mobile-nav .nav-link.has-dropdown::after {
        content: '▼';
        transition: transform 0.3s;
    }
    
    .mobile-nav .nav-item.active > .nav-link.has-dropdown::after {
        transform: rotate(180deg);
    }
    
    .mobile-nav .dropdown-link.has-submenu::after {
        content: '▼';
        position: static;
        margin-left: auto;
    }
    
    .mobile-nav .dropdown-item.active > .dropdown-link.has-submenu::after {
        transform: rotate(180deg);
    }
}

/* Кнопка мобильного меню */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
    color: #333;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-menu-btn.active {
        color: #007bff;
    }
}

/* Overlay для мобильного меню */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 998;
}

@media (max-width: 768px) {
    .mobile-overlay.active {
        display: block;
    }
}